/Engine/Source/Runtime/MovieSceneTracks/Public/MovieSceneTracksComponentTypes.h
static [FIntermediateColor](API\Runtime\MovieSceneTracks\FIntermediateColor) CombineComposites ( [EColorPropertyType](API\Runtime\MovieSceneTracks\UE__MovieScene__EColorPropertyTy-) InType, double InR, double InG, double InB, double InA )